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Remove tracking branches no longer on remote
...ple way to delete all tracking branches whose remote equivalent no longer exists?
34 Answers
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How does Haskell printf work?
...dependently-typed languages. But there is some deep magic going on with Text.Printf that seems rather type-wonky.
1 Answe...
What is the difference between range and xrange functions in Python 2.X?
Apparently xrange is faster but I have no idea why it's faster (and no proof besides the anecdotal so far that it is faster) or what besides that is different about
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Is JavaScript a pass-by-reference or pass-by-value language?
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Convert JavaScript string in dot notation into an object reference
...lso somewhat horrified. If one needs to convert dot-notation strings like "x.a.b.c" into references, it could (maybe) be a sign that there is something very wrong going on (unless maybe you're performing some strange deserialization).
That is to say, novices who find their way to this answer mu...
Window.open and pass parameters by post method
...lues in the HTML code), just open an empty window and post a form to it.
Example:
<form id="TheForm" method="post" action="test.asp" target="TheWindow">
<input type="hidden" name="something" value="something" />
<input type="hidden" name="more" value="something" />
<input type...
How to properly assert that an exception gets raised in pytest?
...ytest print traceback, so I would see where in the whatever function an exception was raised?
11 Answers
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Bash empty array expansion with `set -u`
...g a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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How do you echo a 4-digit Unicode character in Bash?
...t, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
18 Answers
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Undefined behavior and sequence points
...uence Points?
The Standard says
At certain specified points in the execution sequence called sequence points, all side effects of previous evaluations
shall be complete and no side effects of subsequent evaluations shall have taken place. (§1.9/7)
Side effects? What are side effects?
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